Just tested and stumbled over a strage thing:
Both the Man-in-the-loop and the Active Points mechanic work perfectly well in desktop mode, but if you use a VR headset, they don’t work at all, or very buggy.
https://community.gaijin.net/issues/p/warthunder/i/7BiQLyEJQWr5
Please support if you encounter the same thing, than you! = )